Question

If a cylinder was converted into a right circular cone by melting, then volume of cone
will be what
Pls answer fast

Answer 1

Answer:

21cm

Step-by-step explanation:

If the height of the cylinder =7cm then its volume is

V=πr

2

h where h=7cm

=7πr

2

It is given that, Cone has the same volume as that of the cylinder.

∴

3

πr

2

h

=7πr

2

⇒

3

h

=7 on simplification

h=21cm